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Finding the Fourth Proportional to 25,271.56, 37,903.82 and 8,631.56

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Solution

The fourth proportional to 25,271.56, 37,903.82 and 8,631.56 is: 12,946.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,271.56 : 37,903.82 = 8,631.56 : x
  2. Step 2: Convert to fraction form
    25,271.56/37,903.82 = 8,631.56/x
  3. Step 3: Cross multiply
    25,271.56x = 37,903.82 × 8,631.56
  4. Step 4: Simplify right side
    25,271.56x = 327,169,096.56
  5. Step 5: Solve for x
    x = 327,169,096.56/25,271.56
  6. Step 6: Final answer
    x = 12,946.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.